What is happening to the population in areas like india and china

Currently, in India and China, they are experiencing overpopulation. Too many children are being born so, they have made "one baby" policies. These policies forbid anyone on having more than one child so that the population will decrease.

the oxygenated blood then leaves the lungs through pulmonary veins, which return it to the left heart, completing the pulmonary cycle. this blood then enters the left atrium, which pumps it through the mitral valve into the left ventricle. from the left ventricle, the blood passes through the aortic valve to the aorta.

deoxygenated blood leaves through the right ventricle through the pulmonary artery. from the right atrium, the blood is pumped through the tricuspid valve (or right atrioventricular valve), into the right ventricle.